Частицы JS без плагина
<style>
.particles-js-canvas-el {
width: 100%;
height: 100%;
position: absolute;
z-index: 0;
top: 0;
}
</style>
<script src="http://cdn.jsdelivr.net/particles.js/2.0.0/particles.min.js"></script>
<script>
// PASTE YOUR JS CODE HERE IN SCRIPT TAG Get it from https://vincentgarreau.com/particles.js/
</script>
Hamza Najam